Company Filing History:
Years Active: 1977-1985
Title: Innovations of Chris J Christopher
Introduction
Chris J Christopher is a notable inventor based in Loveland, Colorado, with a remarkable portfolio of eight patents. His contributions to the field of programmable calculators have significantly advanced the technology used in these devices.
Latest Patents
Among his latest patents is a programmable calculator that includes program variable initialization means. This innovative calculator utilizes an initialization key for setting all program variables, including array variables stored in the calculator's memory, to a predetermined initial value. Another significant invention is an adaptable programmable calculator that employs modular read-write and read-only memories. This design allows for separate expansion to provide additional program and data storage functions tailored to the user's environment. The calculator features an LSI NMOS central processing unit capable of bidirectionally transferring information between itself and various input/output units. These units include a keyboard input with a full set of alphanumeric keys, a magnetic tape cassette reading and recording unit, and a 32-character solid-state output display unit. The calculator employs a natural algebraic program language, enabling users to enter and execute algebraic statements while visually checking for errors.
Career Highlights
Chris J Christopher has made significant strides in his career, particularly through his work at Hewlett-Packard Company. His innovative designs and patents have contributed to the evolution of programmable calculators, making them more user-friendly and efficient.
Collaborations
Throughout his career, Chris has collaborated with notable colleagues, including Wayne F Covington and Richard M Spangler. Their combined expertise has fostered advancements in technology and innovation.
Conclusion
Chris J Christopher's contributions to the field of programmable calculators exemplify his innovative spirit and dedication to advancing technology. His patents reflect a commitment to enhancing user experience and functionality in electronic devices.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.